A 25-year-old female presented to the OPD with painless cervical lymphadenopathy for 2 months. On examination the lymph nodes were firm in consistency. Epitrochlear lymph nodes were also involved. There was also history of fever, night sweats and significant weight loss. A lymph node biopsy was conducted and sent for HPE examination. Flow cytometry studies were also done. Which of the following gene is involved in the above condition: –